BBI 042320 Partially Threaded Cap Screw, 1/2-13, 4-1/2 in L, 8 Grade, Imperial, Alloy Steel, Zinc Yellow Bake CR+6

BBI Cap Screw | Partially Threaded | Measurement System Imperial | 1/2-13 | 4-1/2 in Length Under Head | 8 Grade | Alloy Steel | Zinc Yellow Bake CR+6 | UNC | 5/16 in H Head | Hex Head | 150000 psi Tensile | 1/2 in Shank | HRC 33-39 Hardness